//===- LoopRotation.h - Loop Rotation -------------------------------------===//
 
//
 
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 
// See https://llvm.org/LICENSE.txt for license information.
 
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
//
 
//===----------------------------------------------------------------------===//
 
//
 
// This file provides the interface for the Loop Rotation pass.
 
//
 
//===----------------------------------------------------------------------===//
 
 
 
#ifndef LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H
 
#define LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H
 
 
 
#include "llvm/Analysis/LoopAnalysisManager.h"
 
#include "llvm/IR/PassManager.h"
 
 
 
namespace llvm {
 
class LPMUpdater;
 
class Loop;
 
 
 
/// A simple loop rotation transformation.
 
class LoopRotatePass : public PassInfoMixin<LoopRotatePass> {
 
public:
 
  LoopRotatePass(bool EnableHeaderDuplication = true,
 
                 bool PrepareForLTO = false);
 
  PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
 
                        LoopStandardAnalysisResults &AR, LPMUpdater &U);
 
 
 
private:
 
  const bool EnableHeaderDuplication;
 
  const bool PrepareForLTO;
 
};
 
}
 
 
 
#endif // LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H